Blowpipe for cutting metal plates, pipes, and the like.



' Nm 895,026.1f

FL `J0TTRAND & PJULL M TjN'rED AUG. 4. 190s.

- BLovSgyiPB 4Pola CUTTING METAL PLATES, HPES, AND THE LIKB.-

APYLCATION FX1-BD IAB'. l5.. E207.

2 SHEETS-saam 1.'

Idir Jg'ranl gm'N0.,a95,o2'6. Y PATENTBD'AUG.4,19UE I f 1P. JOTTRAND& P. L'ULLI. 1 :i BLOWPIPB fos CUTTING METALPLATESJIPESANDT 5 l l n p gPLIc'ATwN FILED JAH. 15. 190'?. l A

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' I A mstraig t line or obliquely.'

lSi"DATES PATENT OFFICE;

Jo'rrnm'n Nn riendo LULLI, or UccLE, NEAR naUssELs, BEIUM; AssicNoRs To'. l SOCIT morirme LQXHYDRIQUE INTERNaTIoNALE, or BRUSSELS, enteren.

:BLOWPIPn-'Fon cTTnrG METAL rLATEs, Piras, AND THE Lum.

5 To, atl whom may concern:

' 'Be it known that We, FELIX Jomam) and i lnmio LULLI, respectively, subjects of Belgium andltaly reeldrug at'Uccle, near Brus- 5 sels, Belgium, have invented new and useful Imrovements in Blow'pipes for Cutting' lates, Pipes', and the Like, of which,

i Metal' the iellowing is a specification. invention relates to appliances of the i `kind vvhlc'h are described in the former patent No. .8310785 dated Sept. 18th, 1906 and which 'are'usedlor cutting sheet metal, pipes and: dther objectsv by means of a heating iiarne vand niet bf' oxygen serving to oxidize i the'heated mtal and to cause the removal of ing liept'fat a certain distance according to' lthe movements oi the heating terminal, but :g1-"f as near 'as possible to the piece of Work.

30 jh-e present invention has for its object, to J pryideanj'improved construction of cutting of(- blorg'pipq, which enables theroperator by verysimplemeans to produce by hand and at p i 'vrilh'ieithe' arectilinear cut, or acirc-ular cut,

35,or' a cut arranged obliquely or at s given angle to the transverse plane of the piece of weiitic' i' "i \`f' rmi'm' h b' t f h1 e i-eo' tesu'ecot's invention vhpasi for its istinctivd feature a .au'liolden-in which the tubes carrying the terminals can be easily adjusted in height, and the combination of this holder with an auxiliary pieceprovided with suitably arran ed t sleeves .and serving :tox holders or ot er :gi suitable devices such as rods p rovlded with rollers' ,iorked rods provided with pvots, or an 0131er, device adapted toplace t e actual lio d e'r' of the bloivpipe in a given position or to cause 1t to follow a given path. 'The accompanying drawing 1s an example appliance embodjnng the invention.

` gurejl is a side elevation ofthe entire ap- "paratusj-Ifig. 2 is auend elevation shovnng the e. 'paratus arranged'for V.cutting -1n a Fg. 3 s a plan Specification of Letters vlatjent. l appiicaaon mummy 15, 1991. `serial Naeaassr.-

:Patented A1154, ieee.

. l A e i showing the apparatus arranged for cutting out a circle. gs. 4 and 5 show details in plan and side elevatidn of the supporting rod used, when the apparatus is. operated as shown by Fig. 3.

The apparatus erly speaking 1,

comprises a holder rop-4 formed by any suitab e rod or b ar provided with a handle 2, andi sup- 1 porting by means of holders 3, the e'ed pipes 4 and 5 for the heating gas mixture and for the `oxy en, which pipes may or may not be provide with valves or cocks. The said rod 1 ends in a sleeve 6, in which may be ixed at any suitable height a tube 8', by means of a se scsew 7,V the said tube terminating in the heating nozzle 9.

The pi e 8 is connected by a flexible pi e 10 with t e feed pipe 4, (see Fie'. 3) for the heating as. On the pipe 8 is lixed, preferably un erneath the sleeve 6', a sleevev 11 held in osition by a set'screw 12.

The s eeve 11 1s made in one ieee-with another sleeve 13, which carries tlle .oxygen feed ipe 25 ending in the nozzle 26 and with two orizontal, arms 14, terminating at each end with vertical sleeves 15 having set screws 16 and with horizontal sleeves 17 having set screws 18. The sleeves may receive auxiliary organs of various shapes, according to the Work foiwhich the apparatus is to be used. The oxygen pipe 25 is connected to gie supply pipe 5 by a iiexible tube 10 (see iig.)- 2 showsfor instance rods 19 introduced into the vertical sleeves 15, these rods terminate with rollers 20'adapted to roll on the piece of work, if the apparatus is suitably adjusted.

The horizontal side sleeves 17 may receive, for instance, a fork 21 made in one piece with a rod 22 arranged in the axis of the fork 21, as shown by Fig. 3. to slide a sleeve 23 (Figs. 4 and 5) armed with a pin 24 adapted to serve as a center point, or pivot for the apparatus.

A few a plieations of the apparatus arranged' as escribed 'and provi ed 'with the accessories 19 `or 21 will noyvbe described by way of example.

It is easy to understand, that the apparatus composed only of the holder 1,v the tube 8 fixed in the sleeve 6, the sleeve 11 iired on ,this tube 8 and of the oxf. gen feedpxpe v25 fixed in the sleeve 13 may e used under the same conditions and is equally manageable On this rodis adapted,-

asan ordinariv blonpi ve 'operatedfby hand.,` i

Th ,exact position o e. tubes 8 and 25 may beiiegula-ted in height, without any diilicultyV by; simply causing these tubes tol slide int-their respective sleeves; this arraagementy ofl'ers,` liowcver,in itself and m-this simplest form`,' an iliiportant. advantage over the ordinary blow'pipe operated by hand, in as much as tlie oxygen feed-pi ie may be caused to pivot. on the tube 8 liy means of-thc sleeve 13 and the siecve 11, and placed in any desired position in relation to the tube S.

In case it is required to produce a 'cut in astraight line, the ordinary hand blow-plie does not always oficr great cert ainty of wor on account of the difficult which the oprator meets iii maintainingr the terminals at t-he required distance from the object to be operated upon.- The appara-tus described above provides a remedy for this inconvenience, by its combination 'with the sleeves 15 and with the rods 19 which may be introduced into these slc ves.- y

lt. is sdliciciit, to arrange the a iparatus in the ma incr shown by Fig.V 2 an to suits ably adjustlthe height of the rollers 20 in relation to the utozzles 9 and 26,1'11 order to provide a erfec.- guide for thc nozzles on the piece o work, in as much as in this case the apparatus is caused to roll on the sheet niet al or on the wall ofthe tube or df any other object t'o be cut off; by simpl) pullingr or pushlng the rod 1, and this without reducinglr its great mobility, which allows it to follow any .outline drawn ou the piece to he cut out.

The saine design of apparatus is suitable also for 'cutting obliqucly at any desiredangle; it is in fac-t, sullicicnt. to adjusty 'the rods 19l in such amannei", that the rollers 20 are situated in dilercnt horizontal planes; if in that case the apparatus rests on the piece of work to be cut, such as a sheet of metal, the tubes 8 and .25 occupy a more or lcss inclined position, the. result of which is, that the sheetI will' be cut obliquely. The saine apparatus lends itself very easily for cuttiiier along circles o1' other curves of any required diameter. In thatca-se the fork 21 is applied by introducing it into the sleeves 17 atone of the two extremities of the holder 14. Subsequently the position ofthe sleeve 23 on the rod 22 is adjust-ed so that the distance between the axis of the pivot- 24 and the axis of the tubes 8 andl v25 corresponds with the radius of the circle to be cut. After this the apparatus need onlyr be madeto pivot about the center f 24, in order that-the terminals will describe moreover, the present invention is not liiii- The rods 19 and the fork 21 constitute of course,'auxiliary organs, the shape and arrangement. of which may bc modified, according to the. shapeof the piece of work,

ited to theuscof these auxiliary devices.

' f Having thus described ournzvcntion, what wc claim 1s: f

1. In a 'cutting ofi blowpipe in combination a. holder (1 means for supporting feedv 'pipes (-1, :'i) on said holder, a sleeve at thc end of said holder, a pipe (8)' fixed in said sleeve and mea-ns `for supporting a second pipe (25) by said-pi e (8) and va-rving theA position of the secon pipe (25) relatively to the f rst pipev (8) substantially as described and for the purpose set forth.

2. In a cutting oft blowpipc in combination a holder( 1), means for supporting feed pipes (4, 5) on said holder, a sleeve (6) at the end of said holder, a pipe (S) adjustable in said sleeve, a. second sleeve (11) adjustable on said pipe (8), a third sleeve (13) bodily connected to the second sleeve (11) and a pipe (25) adjust-able in the said third sleeve (13) substantially as described and for the purpose set forth.

3. In a cutting` off blowpipe in combination a holder (l), means ,for supporting feed ab e in said sleeve, a second sleeve (11) ad- 'ustable on said pipe (8)', a third sleeve (13) odily connected to `the .second sleeve `(11), a. pipe (25) adjustable in the said third sleeve pipes (4, 5) on said holder, a pipe (S) adjusty i (13), two horizontal arms (14) `)rovided ontlic second sleeve (11) and auxi iary means cooperating with thc said arms (-14) subst-antial y as dcscribcd and for the purpose set forth.

4. ln acutting-oli blowpipe` in combina.-Y

tion a holder (l), a sleeve (t3) at t-lie end of said holder, a pipe (S) adjustable in said sleeve, a second sleeve (11) for support-ing a second pipc ('25), two horizontal arms provided on said second sleeve 11), vertical and horizont-al sleeves (15 &l 17) provided on the said arms and auxiliary means co @rating with said sleeves (1-17) for guit ing the` pipes (S-25) and var ving the lositions of said pipcs suhstantiallyas dcscii ed and for the purpose set forth.

5. In a metal, cutting tool, the combinat-ioii with a heating instrument of an auxiliary jctnozzle mounted in proximity to the heating instrument and capa-ble vof rotation about thc axis thereof, and means for supplyL ing' an oxidizing fluid to the auxiliary jet nozzle', whereby the jet nozzle may be made to trail the limitingr instrument in any desired direction, sulistautiall) as described.

6. ln a iiictal-ciittiupr tool thc combination with :i heating instr nit-iii of an auxiliary jetiiozzlc supportcd in proximity to the heat-ing instrument and capablc of 'itiiatioii'about the axis thcrcof, means for locking the auxiliary f now/.lc in ditl'crcnt positions aboiittlic heating iiisti'uiiiciit .'and ni-ans forsupplying an oxidizingr tluid to thc auxiliary jet-nozzle, substantially as described- 1' l' 'l 7. 11i :i metal-cutting tool the combination V5 with the axis of the heating nozzle mounted on the hea-ting instrumentby means of an ofi-set rotatable su port having its axis of rotation in substantie coincidence instrument, means for supplying an oxidizingfiuid to the 'auxiliary jet-nozzle', and means for locking the rotatable support in diierent positions,

substantially as described. 10 8. In a metal cutting tool, the combina'- tion with a heating instrument of an auxiliary jet nozzle supported in proximity to the heating instrument andcapable of rotation about the axis thereo'r',means for rictionaliy 15 locking the auxiliary nozzle in different posi-l tions about the heating instrument, and

y 'with a heating-instrument of an auxiliary jetmeans for' supplying?r an oxidizing fluid to thev v 'Y Y ausgiliaryyjet nozzle, scnbed. A'

In testimony whereof we have signed our 20 names to this speeiication inthe presence of two subscribing Witnesses.

l- FELIX JOTTRND. A XPRIMO. l Witnesses to thex signature of Felix Jott rand:

J ULLA Jo'r'rnAND, SPmrr JUGGER.

Witnesses as to-Primo Lulli:

Asubstantially as de- 

